Compressor



FIG. 1 is a left front perspective view of our design for a compressor;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a right rear perspective view thereof. 

We claim the ornamental design for compressor, as shown and described. 